package com.jason.lightreader.entity;

import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;

public class LoginUser implements UserDetails {

    private final User user;

    private final List<String> permissions;

    private List<SimpleGrantedAuthority> authorities;

    public LoginUser(User user) {
        this.user = user;
        permissions = new ArrayList<>();
        Integer identity = user.getIdentity();
        if (identity.equals(0)) {
            permissions.add("user");
        } else if (identity.equals(1)) {
            permissions.add("user");
            permissions.add("admin");
        }
    }

    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() {
        if (authorities == null) {
            authorities = permissions.stream().map(SimpleGrantedAuthority::new).collect(Collectors.toList());
        }
        return authorities;
    }

    @Override
    public String getPassword() {
        return user.getPassword();
    }

    @Override
    public String getUsername() {
        return user.getUsername();
    }

    @Override
    public boolean isAccountNonExpired() {
        return true;
    }

    @Override
    public boolean isAccountNonLocked() {
        return true;
    }

    @Override
    public boolean isCredentialsNonExpired() {
        return true;
    }

    @Override
    public boolean isEnabled() {
        return true;
    }

    public User getUser() {
        return user;
    }
}
